EP1993363A2 - Zusammensetzung zur bekämpfung von ektoparasiten und ihren eiern - Google Patents

Zusammensetzung zur bekämpfung von ektoparasiten und ihren eiern

Info

Publication number
EP1993363A2
EP1993363A2 EP06762628A EP06762628A EP1993363A2 EP 1993363 A2 EP1993363 A2 EP 1993363A2 EP 06762628 A EP06762628 A EP 06762628A EP 06762628 A EP06762628 A EP 06762628A EP 1993363 A2 EP1993363 A2 EP 1993363A2
Authority
EP
European Patent Office
Prior art keywords
viscosity
composition
cst
compositions
polysiloxane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06762628A
Other languages
English (en)
French (fr)
Other versions
EP1993363B1 (de
Inventor
Marianne Boskamp
Daniel Hilscher
Thomas Vater
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
G Pohl Boskamp GmbH and Co KG
Original Assignee
G Pohl Boskamp GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by G Pohl Boskamp GmbH and Co KG filed Critical G Pohl Boskamp GmbH and Co KG
Priority to PL06762628T priority Critical patent/PL1993363T3/pl
Priority to SI200630805T priority patent/SI1993363T1/sl
Publication of EP1993363A2 publication Critical patent/EP1993363A2/de
Application granted granted Critical
Publication of EP1993363B1 publication Critical patent/EP1993363B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00—Antiparasitic agents
    • A61P33/14—Ectoparasiticides, e.g. scabicides

Definitions

  • the present invention pertains to compositions for combating ectoparasites, in particular head lice, as well as their eggs (nits).
  • Ectoparasites such as lice are parasites of the skin which are preferably located in very hairy regions. There, the female species lay ova which are encased in protective sheaths adhered to the hairs; in the case of iice these ova are also referred to as nits. Eggs of ectoparasites are often encased in protective sheaths which cannot be attacked by many toxic agents.
  • compositions for controlling lice and/or their eggs comprising an amount of linear siloxane polymers, in particular dimethicones. It is explicitly stated in said patent application that dimethicones having a viscosity in the range from 100 to 1000 cSt are most efficient in combating lice.
  • European patent application EP 1 215 965 discloses compositions for combating arthropodes comprising two different silicones, one of which is a volatile siloxane polymer and the other is a non-volatile siloxane polymer.
  • the volatile siloxane is preferably a cyclic siloxane such as cyclopentasiloxane or cyclomethicone, which is used in amounts of 95.5-97.5 wt.-%, based on the composition.
  • compositions comprising a very low viscosity linear polysiloxane, a higher viscosity linear polysiloxane, and a spreading agent are highly effective against lice as well as against nits. Due to the omission of cyclic siloxanes these compositions are further very well tolerated.
  • compositions according to the invention have a very low surface tension and, at the same time, a high spreadability. Without wishing to be bound to any theory, it is believed that the compositions due to their very favourable creep properties can penetrate deeply into the tracheae and tracheols of the adult head lice and their larvas, and into the aeropyles of the nits. There, the volatile siloxane used in accordance with the invention evaporates, whereupon the composition in the trachea and the nits, respectively, becomes more and more thick and eventually clots. As a consequence, the lice, larvae and nits are separated from a gas exchange and suffocate.
  • compositions according to the invention comprise a linear polysiloxane having a viscosity ⁇ 10 cSt and a linear siloxane having a viscosity > 90 cSt.
  • Dimethicones are preferred polysiloxanes.
  • the composition comprises dimethicone having a viscosity of 1 cSt and dimethicone having a viscosity of 100 cSt.
  • the low viscosity polysiloxane is contained in amounts of from 30-49 wt.-% and the higher viscosity polysiloxane is contained in amounts of from 35-65 wt.-%, in each case based on the total weight of the composition.
  • compositions according to the invention further comprise a spreading agent such as well spreading triglycerides derived from short chain or medium chain fatty acids such as medium chain triglycerides according to the European Pharmacopeia, coconut oil, palm kernel oil, babussu oil, glycerol triacetate, or well-spreading waxes or esters of fatty acids and fatty alcohols such as jojoba wax, cetearyl isononanoate, cetearyl octanoate, isopropylmyristate, isopropylpalmitate, ethylhexylpalmitate or cocoyl caprylocaprate.
  • the compositions according to the invention contain 2-10 wt.-% medium chain triglycerides and/or 1-5 wt.-% jojoba wax.
  • compositions can further comprise common cosmetic excipients such as fragrances or common skin care components.
  • compositions comprising the ingredients listed in the following table were produced:
  • compositions "Inv. 1" and “Inv. 2" according to the invention and the comparative composition “Comp.” were examined with respect to their efficacy in killing lice and their ova.
  • the compositions were left on stage 3 lice larvae (which are indicated as reference for motile lice stages (adult lice and larvae)), on nits being younger than 24 hours (“Nits I”), and on nits being older than 24 hours (“Nits II”) for 45 minutes.
  • the results of these experiments are summarized in the following table, whereby the percentages relate to the amount of killed larvae/nits in the respective stages.
  • compositions have a very high efficacy in killing lice, but that only the combination of a high viscosity polysiloxane, a low viscosity polysiloxanes and a spreading agent in accordance with the invention exhibits a satisfactory ovicidal efficacy.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Dentistry (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Packaging Frangible Articles (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Fodder In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Beans For Foods Or Fodder (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Feed For Specific Animals (AREA)
EP06762628A 2006-03-13 2006-07-17 Zusammensetzung zur bekämpfung von ektoparasiten und ihren eiern Active EP1993363B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06762628T PL1993363T3 (pl) 2006-03-13 2006-07-17 Kompozycja do zwalczania pasożytów zewnętrznych i ich jaj
SI200630805T SI1993363T1 (sl) 2006-03-13 2006-07-17 Sestavek za zatiranje ektoparazitov in njihovih jajčec

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006004172U DE202006004172U1 (de) 2006-03-13 2006-03-13 Mittel zur Bekämpfung von Ectoparasiten und deren Eiern
PCT/EP2006/006988 WO2007104345A2 (en) 2006-03-13 2006-07-17 Composition for combating ectoparasites and their ova

Publications (2)

Publication Number Publication Date
EP1993363A2 true EP1993363A2 (de) 2008-11-26
EP1993363B1 EP1993363B1 (de) 2010-07-14

Family

ID=36500849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06762628A Active EP1993363B1 (de) 2006-03-13 2006-07-17 Zusammensetzung zur bekämpfung von ektoparasiten und ihren eiern

Country Status (13)

Country Link
US (1) US20070212382A1 (de)
EP (1) EP1993363B1 (de)
AT (1) ATE473629T1 (de)
AU (1) AU2006339870B2 (de)
CA (1) CA2552318C (de)
DE (2) DE202006004172U1 (de)
DK (1) DK1993363T3 (de)
ES (1) ES2348927T3 (de)
NO (1) NO339978B1 (de)
PL (1) PL1993363T3 (de)
PT (1) PT1993363E (de)
SI (1) SI1993363T1 (de)
WO (1) WO2007104345A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018103768A1 (de) 2018-02-20 2019-08-22 Hermann C. Römer Mittel zur Behandlung von Fluginsekten, insbesondere Honigbienen, die von Milben befallen sind
EP4088574A1 (de) 2021-05-13 2022-11-16 Nuvo Pharmaceuticals (Ireland) Designated Activity Company Verfahren und zusammensetzungen zum behandeln des ektoparasitären befalls

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018708A3 (nl) * 2009-04-01 2011-07-05 Lab Qualiphar Werkwijze voor het bestrijden van insecten.
GB2470208B (en) * 2009-05-14 2014-01-29 Thornton & Ross Ltd A method and composition for the control of ectoparasites
DE102009030199B4 (de) * 2009-06-23 2017-04-27 G. Pohl-Boskamp Gmbh & Co. Kg Applikator zum Abgeben eines Produktes auf Haar
DE102009034704A1 (de) * 2009-07-24 2011-01-27 G. Pohl-Boskamp Gmbh & Co. Kg Mittel zur Bekämpfung von Ectoparasiten
DK2456445T3 (da) * 2010-06-25 2014-07-21 Pohl Boskamp G Gmbh & Co Kg Middel til behandling af hudlidelser
US20120093949A1 (en) * 2010-10-13 2012-04-19 Ilene Steinberg Systems and methods for treating lice
GB201019975D0 (en) 2010-11-25 2011-01-05 Excella Tec Ltd A composition and method for the control of arthropods
WO2017135918A1 (en) * 2016-02-04 2017-08-10 Dyer Gordon Wayne Method for impairing a cassie-baxter state
US10334853B2 (en) 2016-03-29 2019-07-02 Larada Sciences Compositions and methods for treating ectoparasite infestation
JP7199653B2 (ja) * 2018-08-17 2023-01-06 住化エンバイロメンタルサイエンス株式会社 樹脂製容器入り外部寄生虫駆除剤

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146619A (en) * 1977-05-31 1979-03-27 Block Drug Company Inc. Siloxane toxicants
DE59308338D1 (de) * 1992-10-31 1998-05-07 Goldschmidt Ag Th Kosmetische oder pharmazeutische Zubereitungen
US6277415B1 (en) * 1996-03-29 2001-08-21 Orna Levin Pediculocidal and veterinary compositions
ATE235818T1 (de) * 1998-08-07 2003-04-15 Pfizer Prod Inc Neue gelformulierung enthaltendes halsband zur bekämpfung von arthropodenbefall bei tieren
MXPA02002897A (es) * 1999-09-16 2003-10-14 Durminster Ltd Metodo y composicion para el control de artropodos.
US6663876B2 (en) * 2002-04-29 2003-12-16 Piedmont Pharmaceuticals, Llc Methods and compositions for treating ectoparasite infestation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007104345A3 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018103768A1 (de) 2018-02-20 2019-08-22 Hermann C. Römer Mittel zur Behandlung von Fluginsekten, insbesondere Honigbienen, die von Milben befallen sind
EP4088574A1 (de) 2021-05-13 2022-11-16 Nuvo Pharmaceuticals (Ireland) Designated Activity Company Verfahren und zusammensetzungen zum behandeln des ektoparasitären befalls
WO2022238972A1 (en) 2021-05-13 2022-11-17 Nuvo Pharmaceuticals (Ireland) Designated Activity Company Methods and compositions for treating ectoparasite infestations

Also Published As

Publication number Publication date
AU2006339870A1 (en) 2007-09-20
DE602006015534D1 (de) 2010-08-26
ATE473629T1 (de) 2010-07-15
US20070212382A1 (en) 2007-09-13
ES2348927T3 (es) 2010-12-17
PL1993363T3 (pl) 2011-01-31
DE202006004172U1 (de) 2006-05-11
WO2007104345A2 (en) 2007-09-20
CA2552318C (en) 2010-12-07
WO2007104345A3 (en) 2008-05-29
NO339978B1 (no) 2017-02-27
PT1993363E (pt) 2010-10-18
EP1993363B1 (de) 2010-07-14
SI1993363T1 (sl) 2010-12-31
DK1993363T3 (da) 2010-11-01
AU2006339870B2 (en) 2012-07-12
NO20083353L (no) 2008-07-30
CA2552318A1 (en) 2007-09-13

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